看看这几道英语语法题怎么选啦
老规矩,为什么选这个啦,
20． It’s time we ______ the lecture because everybody has arrived.（0 分）
A． will start
B． started
C． start
D． shall start
25． I have been looking forward to ______ from my parents.（0 分）
A． be heard
B． hearing
C． hear
D． being heard